(3-Butoxyphenyl)carbamic acid 1-((diethylamino)methyl)-2-(1-piperidinyl)ethyl ester HCl 1-((Diethylamino)methyl)-2-(1-piperidinyl)ethyl (3-butoxyphenyl)carbamate dihydrochloride Carbamic acid, (3-butoxyphenyl)-, 1-((diethylamino)methyl)-2-(1-piperidinyl)ethyl ester, dihydrochloride EY9782320